<script src="https://code.jquery.com/jquery-1.9.1.min.js"></script>
<script>
$(document).ready(function() {
// Disable ToS
function unblock() {
$("#tos-checker").css("display", "none");
}
// Enable blocker
function block() {
$("#tos-checker").css("display", "block");
}
// Monitor the ToS checkbox
$('body').on('click', '#upload-accept-tos', function() {
if( $(this).prop("checked") ) {
unblock();
} else {
block();
}
});
// Has ToS been accepted?
$('#tos-checker').on('click', function() {
alert('You must agree to our Terms of Service to upload.');
});
});
</script>